Operational amplifiers analog devices ad8042arz this is the analogue devices ad8042arz dual 160mhz rail to rail op amp the ad8042 is a low power voltage feedback high speed amplifier designed to operate on 3 v 5 v or 5 v supplies it has true single supply capability with an input voltage range extending 200 mv below the negative rail and within 1 v of the positive rail analog devices ad8042arz dual low power soic 8 op amp